18 casinos operate here, some 24 hours a day, seven days a week. . Plan your trip and visit us today! Today, people can test their luck at nearly 40 casinos in Colorado, where you can play slots, poker, craps and roulette. Many Colorado casinos are open 24 hours. The best casinos and gaming near Denver, Boulder, and Colorado Springs. Dragon Tiger Casino · Lawrence Street · ; Grand Z Casino & Hotel · Gregory Street · ; The Famous Bonanza Casino · Main Street. Known as Colorado's premier gambling destination, you'll find the same sorts of slots, card, and table games here that you'd find in Vegas. All "Gambling Casinos" results in Denver, Colorado · Ameristar Casino Resort Spa Black Hawk · Golden Mardi Gras Casino · Hyatt Regency Denver at Colorado. Among the casinos, we find the Ameristar Casino Resort Spa with more than 1, slot machines and 40 gaming tables including Craps, Blackjack, and Roulette. With some slots, table games, live. Fortune Valley Hotel and Casino is a big name in Colorado -- and one of the Denver area's best casinos. Stay and play in beautiful Black Hawk, Colorado. Voted Denver's Best Casino since , Century Casino & Hotel Central City offers the best and latest slots, video poker games and exciting table games. Machine gaming such as classic slots, video slots and video poker pairs with casino games.